A randomized 25 question test from a pool of 761 questions, good luck!
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow observation and control of the plant?
The HMI in a SCADA system uses typical hardware and software. Which of the environments below would the HMI reside?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as allowing the operators to interact with the GUI?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the NIC interacts with?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an advantage of using encapsulation?
There are numerous threats to the security of a DCS. Which of the security measures below controls and supervises network traffic?
Which of the messaging types below is best described as communication by sending a command, initiated by the scanner module, to all field device on the segment?
Which of the protocols below is best described as the connected field devices that are in a multibus configuration are limited to digital only signalling?
There are numerous threats to the security of a DCS. Which of the security measures below would use a password on the BIOS to prevent unauthorized changes?
Parameter settings program the behavior of the function block. Which of the parameters below can be described as one that transmits data to another block?
Which answer below is best described as the RS-232 standard for voltage range to transmit a "Mark"?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will have the least amount of scalability?
Which of the terms below best describes the effect of light arriving at different times at a receiver in a fiber optic transmission?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that allows for a data connection to other networks, or RTUs and PLCs?
Which answer below is best described as the RS-232 standard for voltage range to transmit a "Space"?
Parameter settings program the behavior of the function block. Which of the parameters below can be described as one that receives data from another block?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems employs a calculated total by the receiver in comparison to the total of the received data?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of two output holding registers # 40002 & 40003 to the slave device
The OSI model describes how a network should be arranged. Which of the layers below defines the network hardware and electrical signalling method of a network?
Providing power to remote sites in a SCADA system has several difficulties associated with it. Which of the answers below would be best defined as one that is used for continuous power generation where there are no other options?
A media access control address is the name of the physical address that the Ethernet uses. Which of the answers represent the number of bytes that make up this MAC?
Ethernet/IP is based on a protocol that the higher OSI layers of DeviceNet uses. Which of the answers below is the correct acronym for this protocol?
Which answer below is best described as the RS-485 standard for voltage range to transmit a "Space"?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would describe the red number in the picture below?
Which of the answers below is not a common fiber optic connector in the instrumentation field? Choose the answer that best applies.